Dictionary

block•ade

—n.1. the isolating, closing off, or surrounding of a place, as a port, harbor, or city, by hostile ships or troops to prevent entrance or exit.
2. any obstruction of passage or progress: We had difficulty in getting through the blockade of bodyguards.3. Pathol.interruption or inhibition of a normal physiological signal, as a nerve impulse or a heart muscle–contraction impulse.